We didn’t know you were in trouble at that time; _______ we would have given you a hand.
After her great performance, the __________ audience clapped enthusiastically for ten minutes.
He's __________ to fail the exam if he doesn't do any revision.
The doctor said he must avoid excitement in order for the disease to __________.
Microscope will __________ much that cannot be seen with the naked eye.
He __________ fine new clothes than for anything else.